A company claims that the mean monthly residential electricity consumption in a certain region is more than 860 kiloWatt-hours (kWh). You want to test this claim. You find that a random sample of 63 residential customers has a mean monthly consumption of 880 kWh. Assume the population standard deviation is 130 kWh. At a = 0.10, can you support the claim? OComplete parts (a) through (e). (a) Identify Ho and H. Choose the correct answer below. OB. Ho: p> 880 (claim) Ο Α. HΟ: μs 880 Ha: µ> 880 (claim) Ha: us 880 YDH μS 860 O C. Ho: µ= 860 (claim) H: µ# 860 Ha: µ> 860 (claim) OF H:u= 880 O E. Ho: u>860 (claim) Ha: µ5 860 Ha: µ# 880 (claim) (b) Find the critical value(s) and identify the rejection region(s). Select the correct choice below and fill in the answer box within your choice. Use technology. (Round to two decimal places as needed.) O A. The critical values are t B. The critical value is Question Viewer

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A company claims that the mean monthly residential electricity consumption in a certain region is more than 860 kiloWatt-hours (kWh). You want to test
this claim. You find that a random sample of 63 residential customers has a mean monthly consumption of 880 kWh. Assume the population standard
deviation is 130 kWh. At a = 0.10, can you support the claim? Complete parts (a) through (e).
(a) Identify Ho and H. Choose the correct answer below.
O A. Ho: µs 880
OB. Ho:> 880 (claim)
Ha: µ> 880 (claim)
Ha:H5 880
OC. Ho: p= 860 (claim)
D. Ho: us 860
Hai H#860
Ha: µ> 860 (claim)
O E. Ho:µ> 860 (claim)
OF. H: H= 880
Ha: u5 860
Ha: µ+ 880 (claim)
(b) Find the critical value(s) and identify the rejection region(s). Select the correct choice below and fill in the answer box within your choice. Use
technology.
This
(Round to two decimal places as needed.)
O A. The critical values are ±
B. The critical value is
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Transcribed Image Text:A company claims that the mean monthly residential electricity consumption in a certain region is more than 860 kiloWatt-hours (kWh). You want to test this claim. You find that a random sample of 63 residential customers has a mean monthly consumption of 880 kWh. Assume the population standard deviation is 130 kWh. At a = 0.10, can you support the claim? Complete parts (a) through (e). (a) Identify Ho and H. Choose the correct answer below. O A. Ho: µs 880 OB. Ho:> 880 (claim) Ha: µ> 880 (claim) Ha:H5 880 OC. Ho: p= 860 (claim) D. Ho: us 860 Hai H#860 Ha: µ> 860 (claim) O E. Ho:µ> 860 (claim) OF. H: H= 880 Ha: u5 860 Ha: µ+ 880 (claim) (b) Find the critical value(s) and identify the rejection region(s). Select the correct choice below and fill in the answer box within your choice. Use technology. This (Round to two decimal places as needed.) O A. The critical values are ± B. The critical value is Question Viewer
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